USNO Analysis Report for W19140 ($19MAY20XW) This report is a contributed analysis report that does not correspond to the database maintained by the IVS Data Centers for this session. (Analyzed by Christopher Dieck, US Naval Observatory. Spoolfile source: interactive nuSolve analysis.) Problems: WETTZELL did not observe because it did not have a schedule file. Number of observations rejected during correlation: 0 Number of observations not usable by the software: 0 Number of observations rejected during analysis: 0 Other comments: WETTZ13N was in the schedule, but was out for maintenance and did not participate. Parameterization: 5 parameters: UT1 offset atmosphere offset for: MK-VLBA PIETOWN clock offset (0), first order term (1), and/or second order term (2) for: PIETOWN (0,1) Clock breaks: None Session Statistics Observations: 228 scheduled (from all stations---includes WETTZ13N and WETTZELL) 53 scheduled (from available stations---does not include WETTZ13N and WETTZELL) 53 correlated (included in the database) 53 recoverable (usable in Solve/nuSolve) 53 used Session fit: 34.783 ps UT1 formal error: 21.34 microsec Source Performance Number of Observations Scheduled Correlated* Used 0716+714 6 1 1 0800+618 6 2 2 0955+476 12 2 2 1053+815 3 1 1 1128+385 18 3 3 1144+402 12 2 2 1300+580 12 4 4 1342+662 9 3 3 1418+546 18 3 3 1520+437 3 1 1 NGC6251 3 1 1 1636+473 9 3 3 NRAO512 6 2 2 1732+389 6 2 2 1746+470 6 2 2 1803+784 12 2 2 1800+440 3 1 1 3C371 24 4 4 1823+689 3 1 1 1929+226 9 3 3 2013+163 6 2 2 2113+293 12 2 2 2141+175 6 1 1 2144+092 3 1 1 2214+350 3 1 1 2229+695 18 3 3 ------------ --------- ---------- ------ Source Total 228 53 53 * Correlated means included in the database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.